Fw - 40 mm

D - 47 mm

C - 12 mm

C1 - 2,7 mm

Weight - 0,038 Kg

Basic dynamic load rating (C) - 15,1 kN

Basic static load rating (C0) - 26 kN

(Grease) Lubrication Speed - 4 000 r/min

(Oil) Lubrication Speed - 6 000 r/min

• Model Number: BK4012
• Inner Diameter：40mm Outer Diameter：47mm Width：12mm
• Type：Needle Roller Bearings
• Update date：2025-12-17
• Application:Safety protection,Laser Devices,powder metallurgy,electromyography machine,Broadcasting System,test laboratory equipment and accessories,axle lathe,agriculture,Industrial Electromechanical,Pneumatic Actuator,reinforced machinery
• Similar models:IKO TLAM4012 NTN BK4012 FBJ HK4012 IKO TLA4012Z KOYO HK4012 NBS HK4012 NBS BK4012 CRAFT HK4012 Timken HK4012 ZEN HK4012
• BEARING POWER International Trading Co.,Ltd. specialize in BK4012 products，there is large inventory of NTN BK4012 . We has been built up long-term cooperation with NTN company, could make a bulk order of the BK4012 Which NTN BK4012 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  23256MBW33	280	500	176	AST	Spherical Roller Bearings
  231/850 KCW33+AH31/850	850	1360	400	CX	Spherical Roller Bearings
  231SM200-MA	200	370	120	FAG	Spherical Roller Bearings
  52218	93	135	62	ISO	Thrust Ball Bearings
  53340	200	335		ISO	Thrust Ball Bearings
  6002ZE	15	32	9	NACHI	Deep Groove Ball Bearings
  7005 CE/HCP4AL	47	25	12	SKF	Angular Contact Ball Bearings
  89438-M	190	380	115	INA	Thrust Roller Bearings
  ESFD202M100	15			SNR	Bearing Units
  GE 220 ESX-2LS	320	220	135	SKF	Plain Bearings
  GEG45C	45	75	43	LS	Plain Bearings
  N1016RXHTPKR	80	113	22	NSK	Cylindrical Roller Bearings
  NJ2236-E-MPA	180	320	86	NKE	Cylindrical Roller Bearings
  NK105/36R+IR95×105×36	95	125	36	NTN	Needle Roller Bearings
  THR515412	254	539.75	117.48	KOYO	Thrust Roller Bearings
  UCC211-32	50,8		55,6	FYH	Bearing Units
  UCP204	20			CRAFT	Bearing Units
  KT-180	18.0000	19.6250	.8125	KAYDON	TAPERED ROLLER BEARINGS
  MS-16	2.2500	5.0000	1.2500	FBC	DEEP GROOVE BALL BEARINGS
  22317YMW33W800	85	180	60	Torrington	SPHERICAL ROLLER BEARINGS